Analysis

  • max time kernel
    87s
  • max time network
    88s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240214-en
  • resource tags

    arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-03-2024 14:55

General

  • Target

    TelexCopy.exe

  • Size

    772KB

  • MD5

    f2168cd60deb04a9bd7817f31468e9cd

  • SHA1

    2ddc74827c961308aeba829606edb7268808e4ce

  • SHA256

    3da2acf6472e1cbc00e90110332f20a9c70d8ed0561ccfd4fe78322cdeeea5b4

  • SHA512

    92a3009b69df37b01e06e471a8915fad5c2f868a87d014eb278bcc53504a18c66a9d352e0fcc335b93ba38608a4bb91d05e9a5fab7438c585d26e17b51e13e99

  • SSDEEP

    12288:h4rGJKaRASEDRkQmnG2J7SEONrr+x3yu2bpPUCgJIhVyD4JgnJzG2wtV:2rae9Nk3GaSEOZr+x2bpcCgJI/0Y

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.swife.co.ke
  • Port:
    587
  • Username:
    swife@swife.co.ke
  • Password:
    P@ss2024!!
  • Email To:
    coco@glamourstorepa.com.br

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe
    "C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3232
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChQxeCBRDlDTBo.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChQxeCBRDlDTBo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp753F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4232
    • C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe
      "C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2728

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TelexCopy.exe.log
    Filesize

    1KB

    MD5

    7e1ed0055c3eaa0bbc4a29ec1ef15a6a

    SHA1

    765b954c1adbb6a6ecc4fe912fdaa6d0fba0ae7d

    SHA256

    4c17576f64dea465c45a50573ee41771f7be9962ab2d07f961af4df5589bdcce

    SHA512

    de7c784c37d18c43820908add88f08ab4864c0ef3f9d158cc2c9d1bab120613cb093dd4bfc5d7ed0c289414956cfe0b213c386f8e6b5753847dec915566297c8

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
    Filesize

    2KB

    MD5

    d0c46cad6c0778401e21910bd6b56b70

    SHA1

    7be418951ea96326aca445b8dfe449b2bfa0dca6

    SHA256

    9600b3fdf0565ccb49e21656aa4b24d7c18f776bfd04d9ee984b134707550f02

    SHA512

    057531b468f7fbbb2175a696a8aab274dec0d17d9f71df309edcff35e064f3378050066a3df47ccd03048fac461594ec75e3d4fe64f9dd79949d129f51e02949

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_heb4minm.qmw.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp753F.tmp
    Filesize

    1KB

    MD5

    f92d26a084d2dbc561ff3312e632d588

    SHA1

    0dc5c4133362f20a1cb30571744d23098474ce55

    SHA256

    3cac2ce82d630ec93d969351ae645e1e2dc32f3e7fb749c24e5118fc41a91339

    SHA512

    d082228644f198fbfe5296101a663d68db07766f7455ddea441c608a346244645026c3aeab9a5de462d8bdd408ed05283715a847e13881ab0974fb92e779420e

  • memory/2728-93-0x0000000005610000-0x0000000005620000-memory.dmp
    Filesize

    64KB

  • memory/2728-43-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2728-47-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/2728-50-0x0000000005610000-0x0000000005620000-memory.dmp
    Filesize

    64KB

  • memory/2728-91-0x0000000006510000-0x0000000006560000-memory.dmp
    Filesize

    320KB

  • memory/2728-92-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/2884-5-0x0000000005820000-0x000000000582A000-memory.dmp
    Filesize

    40KB

  • memory/2884-10-0x0000000009900000-0x000000000999C000-memory.dmp
    Filesize

    624KB

  • memory/2884-9-0x0000000008510000-0x0000000008592000-memory.dmp
    Filesize

    520KB

  • memory/2884-1-0x0000000000C50000-0x0000000000D16000-memory.dmp
    Filesize

    792KB

  • memory/2884-8-0x00000000081A0000-0x00000000081AC000-memory.dmp
    Filesize

    48KB

  • memory/2884-7-0x0000000008070000-0x000000000808A000-memory.dmp
    Filesize

    104KB

  • memory/2884-6-0x0000000007FD0000-0x0000000008074000-memory.dmp
    Filesize

    656KB

  • memory/2884-46-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/2884-4-0x00000000058E0000-0x00000000058F0000-memory.dmp
    Filesize

    64KB

  • memory/2884-3-0x0000000005670000-0x0000000005702000-memory.dmp
    Filesize

    584KB

  • memory/2884-2-0x0000000005C20000-0x00000000061C6000-memory.dmp
    Filesize

    5.6MB

  • memory/2884-0-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/3232-17-0x0000000005C60000-0x000000000628A000-memory.dmp
    Filesize

    6.2MB

  • memory/3232-75-0x0000000003260000-0x0000000003270000-memory.dmp
    Filesize

    64KB

  • memory/3232-33-0x0000000006300000-0x0000000006366000-memory.dmp
    Filesize

    408KB

  • memory/3232-15-0x0000000003050000-0x0000000003086000-memory.dmp
    Filesize

    216KB

  • memory/3232-23-0x0000000005AB0000-0x0000000005AD2000-memory.dmp
    Filesize

    136KB

  • memory/3232-16-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/3232-48-0x0000000006870000-0x000000000688E000-memory.dmp
    Filesize

    120KB

  • memory/3232-49-0x0000000006900000-0x000000000694C000-memory.dmp
    Filesize

    304KB

  • memory/3232-18-0x0000000003260000-0x0000000003270000-memory.dmp
    Filesize

    64KB

  • memory/3232-51-0x000000007F310000-0x000000007F320000-memory.dmp
    Filesize

    64KB

  • memory/3232-52-0x0000000007830000-0x0000000007864000-memory.dmp
    Filesize

    208KB

  • memory/3232-90-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/3232-53-0x0000000075320000-0x000000007536C000-memory.dmp
    Filesize

    304KB

  • memory/3232-83-0x0000000007F10000-0x0000000007F2A000-memory.dmp
    Filesize

    104KB

  • memory/3232-64-0x0000000007810000-0x000000000782E000-memory.dmp
    Filesize

    120KB

  • memory/3232-81-0x0000000007E00000-0x0000000007E0E000-memory.dmp
    Filesize

    56KB

  • memory/3232-78-0x0000000007C40000-0x0000000007C4A000-memory.dmp
    Filesize

    40KB

  • memory/3232-76-0x0000000008200000-0x000000000887A000-memory.dmp
    Filesize

    6.5MB

  • memory/4656-82-0x0000000007C00000-0x0000000007C15000-memory.dmp
    Filesize

    84KB

  • memory/4656-84-0x0000000007CF0000-0x0000000007CF8000-memory.dmp
    Filesize

    32KB

  • memory/4656-74-0x00000000052E0000-0x00000000052F0000-memory.dmp
    Filesize

    64KB

  • memory/4656-79-0x0000000007C40000-0x0000000007CD6000-memory.dmp
    Filesize

    600KB

  • memory/4656-80-0x0000000007BC0000-0x0000000007BD1000-memory.dmp
    Filesize

    68KB

  • memory/4656-55-0x000000007FAB0000-0x000000007FAC0000-memory.dmp
    Filesize

    64KB

  • memory/4656-77-0x00000000079B0000-0x00000000079CA000-memory.dmp
    Filesize

    104KB

  • memory/4656-73-0x0000000007870000-0x0000000007914000-memory.dmp
    Filesize

    656KB

  • memory/4656-42-0x0000000006230000-0x0000000006587000-memory.dmp
    Filesize

    3.3MB

  • memory/4656-20-0x00000000052E0000-0x00000000052F0000-memory.dmp
    Filesize

    64KB

  • memory/4656-54-0x0000000075320000-0x000000007536C000-memory.dmp
    Filesize

    304KB

  • memory/4656-89-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/4656-19-0x00000000052E0000-0x00000000052F0000-memory.dmp
    Filesize

    64KB

  • memory/4656-21-0x0000000074A50000-0x0000000075201000-memory.dmp
    Filesize

    7.7MB

  • memory/4656-32-0x00000000060C0000-0x0000000006126000-memory.dmp
    Filesize

    408KB